Safety 1st MO140 Specifications download pdf (Page 29)

3. No pressurized fuels are allowed except LPG in manufacturer’s vessel with a stamp of

the date of exposure.

4. Trucks must have a separate fuel tank which contains a maximum of 50 liters between

the chassis rails. The original fuel tanks may contain only water.

5. No fuel tanks, fuel pressure gauges, fuel pumps and/or fuel lines allowed in the driver’s

compartment. If the fuel tank is located behind the driver, a fire barrier is highly

recommended from front to rear of compartment beneath the driver s seat between fuel

line and driver Minimum width of fire barrier equal to width of driver’s seat.

M. Kill switches

1. All kill switches must be mounted independent of drawbar and/or stabilizer bars.

2. All pulling vehicles must have an automatic ignition kill switch and/ or air shutoff, in

working order at all times. The kill switch device must also work in a situation where the

electric circuit of the vehicle is interrupted. Every kill switch must generally work

according to the Fail Safe principle, that is, no situation whatsoever may cause the kill

switch go out of function. Track Officials and/or Tech Inspector have the option of

checking kill switches as many times as they feel adequate at any event. Switch must be

checked with engine running or with Buzz Box only if supplied by puller.

Illustration 2-14: fail-safe kill-switch

3. The kill switch on all modified, super and pro stock tractors must be located in the rear

center of the vehicle (maximum of 150 mm off center in any direction) 1200 mm above

the point of hook.

3a. The kill switch on two wheel drives must be located in the rear center of the vehicle

(maximum of 150 mm off center in any direction) 940 mm above the

point of hook.

4. The kill switch on modifieds <950 kg must be in the rear center (maximum of 150 mm off

center in any direction) 450 mm above the point of hook.

5. The kill switch on trucks must be in the rear center (maximum of 150 mm off center in

any direction) 530 mm above the point of hook.

2009 2-21

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Safety 1st MO140 Specifications Page 29